DULUTH, Minn. — Motorists traveling on Interstate 35 between Duluth and the Twin Cities Metro Area during Labor Day weekend will encounter two single-lane construction work zones.

Motorists can expect delays of up to one hour or more during peak travel times during this holiday weekend.

Peak traffic levels on I-35 occur between noon and 8 p.m. Fridays and between noon and 6 p.m. on Sundays. Motorists can avoid congestion by traveling during off-peak times or by taking an alternate route.

Carlton/Pine County Highway 61and Highway 23 are alternate routes that bypass work zones on I-35 north of Hinckley.